All-in-one computer with keyboard control system

Abstract

A keyboard control system used in an all-in-one computer includes a sensing module, a processing module, and a control module. The sensing module is used to sense the distance between a user and the sensing module and output a distance. The processing module is connected to the sensing module and outputs control signals according to the distance. The control module is connected to the processing module and a keyboard to rotate the keyboard up and down according to the control signals.

What is claimed is: 
     
         1 . A keyboard control system, comprising;
 a sensing module sensing a distance between a user and the sensing module;   a processing module connected to the sensing module and outputting control signals according to the distance; and   a control module connected between the processing module and a keyboard, the control module rotating the keyboard up and down according to the control signal.   
     
     
         2 . The keyboard control system of  claim 1 , wherein the sensing module comprises a distance sensor sensing the distance between the user and the sensing module. 
     
     
         3 . The keyboard control system of  claim 2 , wherein the control module comprises a motor. 
     
     
         4 . The keyboard control system of  claim 3 , wherein when the distance between the user and the distance sensor is changed from greater than or equal to a preset value to less than the preset value, the processing module outputs a first control signal to the control module, and the motor controls the keyboard to rotate down; when the distance between the user and the distance sensor is changed from less than the preset value to greater than or equal to the preset value, the processing module outputs a second control signal to the control module, and the motor controls the keyboard to rotate up. 
     
     
         5 . An all-in-one (AIO) computer, comprising:
 a case;   a keyboard rotatably mounted to the case;   a keyboard control system comprising a sensing module used to sense a distance between a user and the sensing module and output a distance about the distance, wherein the keyboard control system further comprises a processing module connected to the sensing module and outputting control signals according to the distance, and a control module connected between the processing module and the keyboard, the control module rotating the keyboard up and down according to the control signal.   
     
     
         6 . The AIO computer of  claim 5 , wherein the sensing module comprises a distance sensor to sense the distance between the user and the sensing module. 
     
     
         7 . The AIO computer of  claim 6 , wherein the keyboard is mounted to the case through a plurality of hinges, the control module comprises a motor. 
     
     
         8 . The AIO computer of  claim 7 , wherein when the distance between the user and the sensing module is decreased to be less than 0.5 meters, the processing module outputs a first control signal to the control module to control the motor to drive the plurality of hinges to rotate the keyboard away from the AIO computer, when the distance between the user and the sensing module is increased to be equal to or greater than 0.5 meters, the processing module outputs a second control signal to the control module to control the motor to drive the plurality of hinges to rotate the keyboard to the AIO computer.